The Walther PDP Full Size with 4-inch barrel is the flagship of Walther's Performance Duty Pistol line, featuring the Performance Duty Trigger (PDT) with a short 9.5mm reset, aggressive 360-degree stippled grip texture called "Performance Texture," optic-ready optics plate system, and an aggressive slide geometry. The 4-inch model balances carry viability with full-size capability. Considered by many reviewers to have the best factory striker trigger in its class at launch. Type: Pistol Action: Striker-Fired Caliber: 9mm Capacity: 15 Year introduced: 2021, Germany Weight: 25.4 oz Overall length: 7.4" Status: Active Intended use: duty, carry, competition